Shelf (Solid Unfinished Alder) (0.75"h x 24"w x 7"d) Color: Solid Unfinished Alder Size: 0.75"h x 24"w x 7"d Patented hidden mounting system. Each bracket will support 75 lbs. when mounted into studs. Also available in MDF Board with White lacquered finish (35217,35235,35309) Shelf Brackets (SKU#35328) are sold individually. Two Brackets are needed per shelf.